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  2. List of formulae involving π - Wikipedia

    en.wikipedia.org/wiki/List_of_formulae_involving_π

    is the number of collisions made (in ideal conditions, perfectly elastic with no friction) by an object of mass m initially at rest between a fixed wall and another object of mass b 2N m, when struck by the other object. [1] (This gives the digits of π in base b up to N digits past the radix point.)

  3. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    ((x),(y) = {239, 13 2} is a solution to the Pell equation x 22 y 2 = −1.) Formulae of this kind are known as Machin-like formulae . Machin's particular formula was used well into the computer era for calculating record numbers of digits of π , [ 39 ] but more recently other similar formulae have been used as well.

  4. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    [163] [164] [165] In two dimensions, the critical Sobolev inequality is ‖ ‖ ‖ ‖ for f a smooth function with compact support in R 2, is the gradient of f, and ‖ ‖ and ‖ ‖ refer respectively to the L 2 and L 1-norm. The Sobolev inequality is equivalent to the isoperimetric inequality (in any dimension), with the same best constants.

  5. Leibniz formula for π - Wikipedia

    en.wikipedia.org/wiki/Leibniz_formula_for_π

    In mathematics, the Leibniz formula for π, named after Gottfried Wilhelm Leibniz, states that = + + = = +,. an alternating series.. It is sometimes called the Madhava–Leibniz series as it was first discovered by the Indian mathematician Madhava of Sangamagrama or his followers in the 14th–15th century (see Madhava series), [1] and was later independently rediscovered by James Gregory in ...

  6. 2 dead in Kamaka Air plane crash near Honolulu Airport during ...

    www.aol.com/2-dead-plane-crashed-building...

    Two people are dead after a plane crashed into a building near the Daniel K. Inouye International Airport in Honolulu, according to reports. At around 3:15 p.m. local time on Tuesday, Kamaka Air ...

  7. Trump Won the Election: How His Tax Plan Could Affect the ...

    www.aol.com/trump-won-election-tax-plan...

    Donald Trump's election win signals changes in tax policies that could shape the financial future for middle-class Americans. While President-elect Trump promised to lower taxes for most Americans ...

  8. Kindergartener injured in Northern California school shooting ...

    www.aol.com/kindergartener-injured-northern...

    PALERMO — One of the two kindergarteners injured in a Northern California school shooting in early December may not regain the use of his legs, the family told CBS Sacramento on Thursday.

  9. Milü - Wikipedia

    en.wikipedia.org/wiki/Milü

    The next rational number (ordered by size of denominator) that is a better rational approximation of π is ⁠ 52 163 / 16 604 ⁠, though it is still only correct to six decimal places. To be accurate to seven decimal places, one needs to go as far as ⁠ 86 953 / 27 678 ⁠. For eight, ⁠ 102 928 / 32 763 ⁠ is needed. [2]